appendix b final 2008 biological surveys of los angeles and long ...

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3.0 Adult and Juvenile Fishes species were subsampled using the same methods described above for lampara sampling. Macroinvertebrates collected from trawl surveys were identified to the lowest practicable taxon, counted, and an aggregate weight determined by species. Identification of invertebrates was aided by a combination of photography and collection of voucher specimens for taxa that could not be identified in the field. Voucher specimens were preserved as noted for the benthic collections and final identifications, based on photographs and/or voucher specimens, were made by taxonomic specialists. 3.2.3 Shallow Subtidal (Beach Seine) Fishes Fish sampling in shallow-water sandy habitats was conducted using a 15.2 m long by 1.8 m deep beach seine net. The net had 0.6 cm mesh wings with a bag end of 0.3 cm mesh. The fish catch was processed in the field. Every specimen was identified and counted, except when abundant species were encountered. If more than 30 individuals from one species was collected, the same protocols used for trawl and lampara sampling were followed (see Section 3.2.1). After field processing was completed, all specimens were immediately returned to the water to reduce potential mortality. 3.2.4 Data Analysis All fish data were entered into a database which included unique species codes, count, length, and weight data. In addition, the fish database was subjected to standardized quality assurance routines. Consistent with the previous baseline survey analyses, abundance and biomass values in this report are presented as catch per unit effort (CPUE), that is, catch in one set of the lampara net, otter trawl, or beach seine. Fish length data were standardized to onecentimeter size classes. Community measures of species richness and diversity were calculated using CPUE values and included number of species, Shannon-Wiener diversity, Margalef diversity, and Dominance. Diversity indices and Dominance were calculated using the following formulas: • Number of species or unique taxa; • Shannon-Wiener diversity: -Σp i X ln(p i ), where p i is the count for species i; • Margalef diversity: (S-1)/ln(n), where S is the number of taxa, and n is the number of individuals; and • Dominance: number of species comprising 75% of the total count of the sample. Analysis of variance (ANOVA) was performed on log-transformed (natural log = ln) abundance and biomass data to determine whether there were significant differences in catch between day and night and/or among seasons. ANOVA was also used to test for seasonal and diurnal differences in catches. 2008 Biological Surveys of Los Angeles and Long Beach Harbors 3–3 April 2010
3.0 Adult and Juvenile Fishes 3.3 PELAGIC FISHES 3.3.1 Community Summary Measures 3.3.1.1 Abundance A total of 81,084 fish were collected by lampara sampling during day and night surveys at all 19 stations combined (Table 3.3-1). Northern anchovy (Engraulis mordax) was the most abundant species collected and represented 87% of the total lampara catch. Other species with relatively high catch abundances included topsmelt (Atherinops affinis) with 7% of the total catch, California grunion (Leuresthes tenuis), and Pacific sardine (Sardinops sagax), each with nearly 2% of the total catch, and shiner surfperch (Cymatogaster aggregata) with almost 1% of the total catch (Table 3.3-1). No commercially important fish species were collected during lampara sampling. Significantly more fish (p
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APPENDIX B FINAL 2008 BIOLOGICAL SU
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Page 9 and 10: Table of Contents 8.2.1 Aerial Phot
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Page 19 and 20: Executive Summary otter trawls to s
Page 21 and 22: Executive Summary Van Veen) and ana
Page 23 and 24: Executive Summary which was collect
Page 26 and 27: 1.0 Introduction 1.0 INTRODUCTION T
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Page 30 and 31: 1.0 Introduction Historical compari
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Page 34: CHAPTER 2 WATER QUALITY
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4.0 Ichthyoplankton Table 4.3-4. We
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4.0 Ichthyoplankton Table 4.3-5. We
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4.0 Ichthyoplankton Table 4.3-6. Se
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4.0 Ichthyoplankton Table 4.5-1. Ar
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4.0 Ichthyoplankton LA05 LA14 2D St
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5.0 Benthic and Epibenthic Inverteb
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CHAPTER 6 RIPRAP BIOTA
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6.0 Riprap Biota diver collection m
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6.0 Riprap Biota relatively small b
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6.0 Riprap Biota sea cucumber (Para
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6.0 Riprap Biota polychaete worms.
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6.0 Riprap Biota Table 6.3-1. Mean
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6.0 Riprap Biota Figure 6.2-1. Ripr
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7.0 Kelp and Macroalgae 7.0 KELP AN
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7.0 Kelp and Macroalgae the laborat
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7.0 Kelp and Macroalgae sediment us
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7.0 Kelp and Macroalgae Overall, ou
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7.0 Kelp and Macroalgae pose a sign
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7.0 Kelp and Macroalgae Figure 7.2-
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CHAPTER 8 EELGRASS
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8.0 Eelgrass distribution of eelgra
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8.0 Eelgrass adjacent to most trans
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8.0 Eelgrass load on the plants was
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8.0 Eelgrass (Table 8.3-5), based o
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8.0 Eelgrass surveys. No eelgrass b
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8.0 Eelgrass Areas containing eelgr
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8.0 Eelgrass Seasonal patterns amon
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8.0 Eelgrass 2002) inferred that th
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8.0 Eelgrass Table 8.3-2. Spring 20
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8.0 Eelgrass Table 8.3-4. Fall 2008
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8.0 Eelgrass Table 8.3-12. Oceanic
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8.0 Eelgrass Figure 8.3-2. Eelgrass
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8.0 Eelgrass Figure 8.3-6. Spatial
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9.0 Birds 9.0 BIRDS 9.1 INTRODUCTIO
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9.0 Birds changes in species number
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9.0 Birds the Brown Pelican populat
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9.0 Birds 9.4.2.10 9.4.2.11 9.4.2.1
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9.0 Birds 9.5.1 Distribution and Ab
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9.0 Birds discussed in Section 9.4.
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9.0 Birds Angeles Harbor. The relat
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9.0 Birds Table 9.4-1. Percent Comp
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9.0 Birds Table 9.4-3. Nest Numbers
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9.0 Birds Table 9.5-2. Species Comp
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9.0 Birds Table 9.5-4. Percent Comp
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9.0 Birds Table 9.6-1. Historical C
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9.0 Birds 70 12000 60 10000 50 40 3
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9.0 Birds 3500 shallow water sandy
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9.0 Birds 40 35 30 riprap aerial Nu
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9.0 Birds Number Observed 3500 3000
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9.0 Birds Figure 9.5-1. Total numbe
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9.0 Birds Number of Individuals 400
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9.0 Birds 7000 Mean Number of Indiv
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CHAPTER 10 MARINE MAMMALS
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10.0 Marine Mammals Gray whales dif
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10.0 Marine Mammals This page inten
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11.0 References 11.0 REFERENCES Abb
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11.0 References Dennison, W.C. and
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11.0 References Jacques, D.L., C.S.
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11.0 References North, W.J. 1983. S
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APPENDIX A STATION LOCATIONS
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Appendix A Station Coordinates (NAD
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Appendix B (A) Temperature (°C), S
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APPENDIX C FISHES
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Appendix C Table C-1. Combined Fish
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Appendix C LA01 LA02 LA03 LA04 LA05
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Appendix C Table C-3. Otter Trawl C
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Appendix C Table C-5. Otter Trawl B
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Appendix C Table C-7. Otter Trawl B
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Appendix C Table C-8. Lampara Catch
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Appendix C Table C-10. Lampara Catc
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Appendix C Scientific Name Table C-
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Appendix C Table C-14. Beach Seine
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Appendix D Table D-1. Ichthyoplankt
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Appendix D fish eggs (undeveloped)
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Appendix D fish eggs unid. unidenti
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fish eggs unid. unidentified fish e
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Appendix D Eggs Oligocottus / Clino
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Appendix D Eggs Rhinogobiops nichol
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Appendix D Juvenile Eggs Heterostic
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Appendix D Eggs Liparis spp. snailf
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Appendix D Juvenile Eggs Heterostic
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Appendix D Table D-11. Ichthyoplank
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APPENDIX E INFAUNA
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Appendix E Taxon LA-1 LA-10 LA-11 L
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Appendix E Protothaca laciniata Tax
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Appendix E Taxon LA1 LA2 LA3 LA4 LA
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Appendix E Table E-4. Otter Trawl,
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Appendix E Taxon LA1 LA2 LA3 LA4 LA
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Appendix E Octopus sp. 1 Philine sp
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Appendix E This page intentionally
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Appendix F Table F-1. Total Abundan
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Appendix F LARR-1 LARR-2 LARR-3 LAR
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APPENDIX G KELP AND MACROALGAE
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Appendix G Date Survey Site Observe
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Appendix G Species T1 T2 T3 T4 T5 T
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Appendix H APPENDIX H-1 AVIAN ECOLO
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Appendix H Table H-1. Avian Ecologi
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Appendix H GUILD 8 - UPLAND BIRDS G
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Appendix H APPENDIX H-2 NUMBER OF I
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Appendix H Table H-2. December A 20
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Appendix H Table H-3. December B 20
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Appendix H Table H-4. January A 200
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Appendix H Table H-5. January B 200
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Appendix H Table H-6. February A 20
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Appendix H Table H-7. February B 20
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Appendix H Table H-8. March A 2008
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Appendix H Table H-9. March B 2008
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Appendix H Table H-10. April A 2008
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Appendix H Table H-11. May A 2008 S
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Appendix H Table H-13. July A 2008
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Appendix H Table H-15. August B 200
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Appendix H Table H-16. September A
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Appendix H Table H-17. September B
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Appendix H Species Totals Zones 1 2
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Appendix H Species Totals Zones 1 2
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Appendix H Zones Species Totals 1 2
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Appendix H Zones Species Totals 1 2
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Appendix H Date ELEGANT TERN — OB
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APPENDIX I MARINE MAMMALS
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Appendix I Common Survey Station/ N
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Appendix I Common Name Survey Type
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Appendix I This page intentionally
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